RevitLookup.Test.SDKSamples.StructuralSample.StructSample.ExecuteStructSample C# (CSharp) Method

        public Boolean ExecuteStructSample()
        {
            Document rvtDoc = m_app.ActiveUIDocument.Document;
              FamilySymbol colType = null;

              List<Wall> walls = new List<Wall>();

              //  iterate through a selection set, and collect walls which are constrained at the top and the bottom.
              //
              foreach( ElementId id in m_ids )
              {
            Element elem = rvtDoc.GetElement( id );

            if( elem.GetType() == typeof( Autodesk.Revit.DB.Wall ) )
            {
              if( elem.get_Parameter( BuiltInParameter.WALL_HEIGHT_TYPE ) != null && elem.get_Parameter( BuiltInParameter.WALL_BASE_CONSTRAINT ) != null )
              {
            walls.Add( elem as Wall );
              }
            }
              }

              //  how many did we get?
              MessageBox.Show( "Number of constrained walls in the selection set is " + walls.Count );

              if( walls.Count == 0 )
              {
            DialogResult dlgRes = MessageBox.Show( "You must select some walls that are constrained top or bottom", "Structural Sample", MessageBoxButtons.OK, MessageBoxIcon.Information );

            if( dlgRes == System.Windows.Forms.DialogResult.OK )
            {
              return false;
            }
              }

              //  we have some # of walls now.

              // Load the required family

              FilteredElementCollector collect = new FilteredElementCollector( rvtDoc );
              ElementClassFilter familyAreWanted = new ElementClassFilter( typeof( Family ) );
              collect.WherePasses( familyAreWanted );
              List<Element> elements = collect.ToElements() as List<Element>;

              foreach( Element e in elements )
              {
            Family fam = e as Family;
            if( fam != null )
            {
              if( fam.Name == "M_Wood Timber Column" )
              {
            colType = Utils.FamilyUtil.GetFamilySymbol( fam, "191 x 292mm" );
              }
            }
              }

              String fileName = "../Data/Platform/Metric/Library/Architectural/Columns/M_Wood Timber Column.rfa";
              Family columnFamily;

              if( colType == null )
              {
            m_app.ActiveUIDocument.Document.LoadFamily( fileName, out columnFamily );
            colType = Utils.FamilyUtil.GetFamilySymbol( columnFamily, "191 x 292mm" );
              }

              if( colType == null )
              {
            MessageBox.Show( "Please load the M_Wood Timber Column : 191 x 292mm family" );
            Utils.UserInput.LoadFamily( null, m_app.ActiveUIDocument.Document );
              }

              //
              //  place columns.
              //
              double spacing = 5;  //  Spacing in feet hard coded. Note: Revit's internal length unit is feet.

              foreach( Autodesk.Revit.DB.Wall wall in walls )
              {
            FrameWall( m_app.Application, wall, spacing, colType );
              }

              return true;
        }

        StructSample()
        {
            //// first filter out to only Wall elements
            //ElementSet selectedElements = Utils.Selection.FilterToCategory( m_revitApp.ActiveUIDocument.Selection.Elements,
            //                                              BuiltInCategory.OST_Walls, false, m_revitApp.ActiveUIDocument.Document );

            //if( selectedElements.IsEmpty )
            //{
            //  MessageBox.Show( "No wall elements are currently selected" );
            //  return;
            //}

            //StructuralSample.StructSample sample = new StructuralSample.StructSample( m_revitApp, selectedElements );

            // First filter out to only Wall elements
            ICollection <ElementId> selectedElementIds
                = Utils.Selection.FilterToCategory(
                      m_revitApp.ActiveUIDocument.Selection.GetElementIds(),
                      BuiltInCategory.OST_Walls, false,
                      m_revitApp.ActiveUIDocument.Document);

            if (0 == selectedElementIds.Count)
            {
                MessageBox.Show("No wall elements are currently selected");
                return;
            }

            StructuralSample.StructSample sample = new StructuralSample.StructSample(m_revitApp, selectedElementIds);
            sample.ExecuteStructSample();
        }